The Kansas City Chiefs have hired Jim Zorn as quarterbacks coach. Zorn, a former head coach of the Washington Redskins, was a quarterback for Seattle and Green Bay during his playing days from 1976-87. He was 12-20 as Redskins head coach in 2008-09. After Charlie Weis resigned as Kansas City&#39;s offensive coordinator last month, Bill Muir was promoted from offensive line coach to offensive...